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Diffstat (limited to 'drivers/media/dvb/mantis/mantis_core.c')
-rw-r--r--drivers/media/dvb/mantis/mantis_core.c238
1 files changed, 238 insertions, 0 deletions
diff --git a/drivers/media/dvb/mantis/mantis_core.c b/drivers/media/dvb/mantis/mantis_core.c
new file mode 100644
index 000000000000..8113b23ce448
--- /dev/null
+++ b/drivers/media/dvb/mantis/mantis_core.c
@@ -0,0 +1,238 @@
+/*
+ Mantis PCI bridge driver
+
+ Copyright (C) Manu Abraham (abraham.manu@gmail.com)
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "mantis_common.h"
+#include "mantis_core.h"
+#include "mantis_vp1033.h"
+#include "mantis_vp1034.h"
+#include "mantis_vp1041.h"
+#include "mantis_vp2033.h"
+#include "mantis_vp2040.h"
+#include "mantis_vp3030.h"
+
+static int read_eeprom_byte(struct mantis_pci *mantis, u8 *data, u8 length)
+{
+ int err;
+ struct i2c_msg msg[] = {
+ {
+ .addr = 0x50,
+ .flags = 0,
+ .buf = data,
+ .len = 1
+ }, {
+ .addr = 0x50,
+ .flags = I2C_M_RD,
+ .buf = data,
+ .len = length
+ },
+ };
+
+ err = i2c_transfer(&mantis->adapter, msg, 2);
+ if (err < 0) {
+ dprintk(verbose, MANTIS_ERROR, 1,
+ "ERROR: i2c read: < err=%i d0=0x%02x d1=0x%02x >",
+ err, data[0], data[1]);
+
+ return err;
+ }
+
+ return 0;
+}
+
+static int write_eeprom_byte(struct mantis_pci *mantis, u8 *data, u8 length)
+{
+ int err;
+
+ struct i2c_msg msg = {
+ .addr = 0x50,
+ .flags = 0,
+ .buf = data,
+ .len = length
+ };
+
+ err = i2c_transfer(&mantis->adapter, &msg, 1);
+ if (err < 0) {
+ dprintk(verbose, MANTIS_ERROR, 1,
+ "ERROR: i2c write: < err=%i length=0x%02x d0=0x%02x, d1=0x%02x >",
+ err, length, data[0], data[1]);
+
+ return err;
+ }
+
+ return 0;
+}
+
+static int get_mac_address(struct mantis_pci *mantis)
+{
+ int err;
+
+ mantis->mac_address[0] = 0x08;
+ err = read_eeprom_byte(mantis, &mantis->mac_address[0], 6);
+ if (err < 0) {
+ dprintk(verbose, MANTIS_ERROR, 1, "Mantis EEPROM read error");
+
+ return err;
+ }
+ dprintk(verbose, MANTIS_ERROR, 0,
+ " MAC Address=[%02x:%02x:%02x:%02x:%02x:%02x]\n",
+ mantis->mac_address[0], mantis->mac_address[1],
+ mantis->mac_address[2], mantis->mac_address[3],
+ mantis->mac_address[4], mantis->mac_address[5]);
+
+ return 0;
+}
+
+#define MANTIS_MODEL_UNKNOWN "UNKNOWN"
+#define MANTIS_DEV_UNKNOWN "UNKNOWN"
+
+struct mantis_hwconfig unknown_device = {
+ .model_name = MANTIS_MODEL_UNKNOWN,
+ .dev_type = MANTIS_DEV_UNKNOWN,
+};
+
+static void mantis_load_config(struct mantis_pci *mantis)
+{
+ switch (mantis->subsystem_device) {
+ case MANTIS_VP_1033_DVB_S: /* VP-1033 */
+ mantis->hwconfig = &vp1033_mantis_config;
+ break;
+ case MANTIS_VP_1034_DVB_S: /* VP-1034 */
+ mantis->hwconfig = &vp1034_mantis_config;
+ break;
+ case MANTIS_VP_1041_DVB_S2: /* VP-1041 */
+ case TECHNISAT_SKYSTAR_HD2:
+ mantis->hwconfig = &vp1041_mantis_config;
+ break;
+ case MANTIS_VP_2033_DVB_C: /* VP-2033 */
+ mantis->hwconfig = &vp2033_mantis_config;
+ break;
+ case MANTIS_VP_2040_DVB_C: /* VP-2040 */
+ case TERRATEC_CINERGY_C_PCI: /* VP-2040 clone */
+ case TECHNISAT_CABLESTAR_HD2:
+ mantis->hwconfig = &vp2040_mantis_config;
+ break;
+ case MANTIS_VP_3030_DVB_T: /* VP-3030 */
+ mantis->hwconfig = &vp3030_mantis_config;
+ break;
+ default:
+ mantis->hwconfig = &unknown_device;
+ break;
+ }
+}
+
+int mantis_core_init(struct mantis_pci *mantis)
+{
+ int err = 0;
+
+ mantis_load_config(mantis);
+ dprintk(verbose, MANTIS_ERROR, 0, "found a %s PCI %s device on (%02x:%02x.%x),\n",
+ mantis->hwconfig->model_name, mantis->hwconfig->dev_type,
+ mantis->pdev->bus->number, PCI_SLOT(mantis->pdev->devfn), PCI_FUNC(mantis->pdev->devfn));
+ dprintk(verbose, MANTIS_ERROR, 0, " Mantis Rev %d [%04x:%04x], ",
+ mantis->revision,
+ mantis->subsystem_vendor, mantis->subsystem_device);
+ dprintk(verbose, MANTIS_ERROR, 0,
+ "irq: %d, latency: %d\n memory: 0x%lx, mmio: 0x%p\n",
+ mantis->pdev->irq, mantis->latency,
+ mantis->mantis_addr, mantis->mantis_mmio);
+
+ err = mantis_i2c_init(mantis);
+ if (err < 0) {
+ dprintk(verbose, MANTIS_ERROR, 1, "Mantis I2C init failed");
+ return err;
+ }
+ err = get_mac_address(mantis);
+ if (err < 0) {
+ dprintk(verbose, MANTIS_ERROR, 1, "get MAC address failed");
+ return err;
+ }
+ err = mantis_dma_init(mantis);
+ if (err < 0) {
+ dprintk(verbose, MANTIS_ERROR, 1, "Mantis DMA init failed");
+ return err;
+ }
+ err = mantis_dvb_init(mantis);
+ if (err < 0) {
+ dprintk(verbose, MANTIS_DEBUG, 1, "Mantis DVB init failed");
+ return err;
+ }
+ err = mantis_uart_init(mantis);
+ if (err < 0) {
+ dprintk(verbose, MANTIS_DEBUG, 1, "Mantis UART init failed");
+ return err;
+ }
+
+ return 0;
+}
+
+int mantis_core_exit(struct mantis_pci *mantis)
+{
+ mantis_dma_stop(mantis);
+ dprintk(verbose, MANTIS_ERROR, 1, "DMA engine stopping");
+
+ mantis_uart_exit(mantis);
+ dprintk(verbose, MANTIS_ERROR, 1, "UART exit failed");
+
+ if (mantis_dma_exit(mantis) < 0)
+ dprintk(verbose, MANTIS_ERROR, 1, "DMA exit failed");
+ if (mantis_dvb_exit(mantis) < 0)
+ dprintk(verbose, MANTIS_ERROR, 1, "DVB exit failed");
+ if (mantis_i2c_exit(mantis) < 0)
+ dprintk(verbose, MANTIS_ERROR, 1, "I2C adapter delete.. failed");
+
+ return 0;
+}
+
+/* Turn the given bit on or off. */
+void gpio_set_bits(struct mantis_pci *mantis, u32 bitpos, u8 value)
+{
+ u32 cur;
+
+ cur = mmread(MANTIS_GPIF_ADDR);
+ if (value)
+ mantis->gpio_status = cur | (1 << bitpos);
+ else
+ mantis->gpio_status = cur & (~(1 << bitpos));
+
+ mmwrite(mantis->gpio_status, MANTIS_GPIF_ADDR);
+ mmwrite(0x00, MANTIS_GPIF_DOUT);
+ udelay(100);
+}
+
+/* direction = 0 , no CI passthrough ; 1 , CI passthrough */
+void mantis_set_direction(struct mantis_pci *mantis, int direction)
+{
+ u32 reg;
+
+ reg = mmread(0x28);
+ dprintk(verbose, MANTIS_DEBUG, 1, "TS direction setup");
+ if (direction == 0x01) {
+ /* to CI */
+ reg |= 0x04;
+ mmwrite(reg, 0x28);
+ reg &= 0xff - 0x04;
+ mmwrite(reg, 0x28);
+ } else {
+ reg &= 0xff - 0x04;
+ mmwrite(reg, 0x28);
+ reg |= 0x04;
+ mmwrite(reg, 0x28);
+ }
+}